Move bash rebuild to sysa.

sysa/run2.sh

@@ -0,0 +1,95 @@
+#!/bin/bash
+
+# SPDX-FileCopyrightText: 2022 Andrius Štikonas <andrius@stikonas.eu>
+# SPDX-FileCopyrightText: 2021-22 fosslinux <fosslinux@aussies.space>
+# SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+set -e
+
+# shellcheck source=sysa/helpers.sh
+. helpers.sh
+
+create_sysb() {
+    # Copy everything in
+    echo "Creating sysb rootfs"
+    sys_transfer /sysb_image /sysb gzip patch
+    cp -rl /sysc /sysb_image/sysc_src
+    echo "Creating sysb initramfs"
+    gen_initramfs_list.sh -o "${PREFIX}/boot/initramfs-sysb.cpio.gz" /sysb_image
+    rm -rf /sysb /sysb_image # Cleanup
+}
+
+go_sysb() {
+    # Mount proc for kexec
+    mkdir /proc /etc
+    mount -t proc proc /proc
+    # kexec time
+    echo "Loading kernel + sysb initramfs using kexec"
+    kexec -l "${PREFIX}/boot/linux-4.9.10" --console-serial \
+        --initrd="${PREFIX}/boot/initramfs-sysb.cpio.gz" \
+        --append="init=/init console=ttyS0"
+    echo "kexecing into sysb"
+    kexec -e
+}
+
+build binutils-2.24
+
+# Build musl with fewer patches
+build musl-1.1.24 binutils-rebuild.sh patches-pass3
+
+# Rebuild tcc-musl using new musl
+build tcc-0.9.27 tcc-musl-pass3.sh patches-musl-pass3
+
+populate_device_nodes
+
+build gcc-4.0.4 pass1.sh
+
+build findutils-4.2.33
+
+build musl-1.2.3
+
+# This hack fixes a strange bug in mes libc bash
+set -x
+build linux-headers-5.10.41 '' '' linux-5.10.41
+set +x
+
+build gcc-4.0.4 pass2.sh
+
+build util-linux-2.19.1
+
+build e2fsprogs-1.45.7
+
+build dhcpcd-9.4.1 '' '' dhcpcd-dhcpcd-9.4.1-1663155
+
+build kbd-1.15
+
+build make-3.82
+
+build curl-7.83.0
+
+build ed-1.4
+
+build bc-1.07.1
+
+# Clear up some RAM space
+grep '^build' "${SOURCES}/run.sh" | sed "s/build //" | sed "s/ .*$//" | while read -r p ; do
+    rm -rf "${SOURCES:?}/${p:?}"
+done
+
+if [ "${CHROOT}" = False ]; then
+    build kexec-tools-2.0.22
+
+    build linux-4.9.10
+
+    create_sysb
+    go_sysb
+fi
+
+# In chroot mode transition directly into System C.
+SYSC=/sysc_image
+sys_transfer "${SYSC}" /sysc gzip patch
+if [ "${CHROOT_ONLY_SYSA}" != True ]; then
+    exec chroot "${SYSC}" /init
+fi